Signs that are round, inverted triangle or octagonal with red colored border are called: Signs that are round, inverted triangle or octagonal with red colored border are called:

• A. cautions or warning signs
• B. regulatory signs
• C. information sign
•  

  The correct answer is B

   

  Regulatory signs describe a range of sign that are used to indicate or reinforce traffic laws, regulations or requirements which apply either at all times or at specified times or places upon. They are usually in the shape of circle, inverted triangle, and octagon.